/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.compiler.commons.jci.readers;

import java.util.Collection;

import org.drools.core.io.impl.ByteArrayResource;
import org.drools.core.io.internal.InternalResource;

/**
 * A ResourceReader provide access to resource like e.g. source code
 */
public interface ResourceReader {

    boolean isAvailable( final String pResourceName );
    byte[] getBytes( final String pResourceName );
    Collection<String> getFileNames();

    default InternalResource getResource( final String pResourceName ) {
        byte[] bytes = getBytes( pResourceName );
        return bytes != null ? new ByteArrayResource( bytes ) : null;
    }

    void mark();
    Collection<String> getModifiedResourcesSinceLastMark();
}
